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From: cov@codeaurora.org (Christopher Covington)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v11 3/5] arm: introduce CONFIG_PARAVIRT, PARAVIRT_TIME_ACCOUNTING and pv_time_ops
Date: Fri, 20 Nov 2015 09:36:00 -0500	[thread overview]
Message-ID: <564F2FD0.6040905@codeaurora.org> (raw)
In-Reply-To: <alpine.DEB.2.02.1511201430200.1107@kaball.uk.xensource.com>

Hi Stefano,

On 11/20/2015 09:31 AM, Stefano Stabellini wrote:
> On Tue, 10 Nov 2015, Stefano Stabellini wrote:
>> On Thu, 5 Nov 2015, Stefano Stabellini wrote:
>>> Introduce CONFIG_PARAVIRT and PARAVIRT_TIME_ACCOUNTING on ARM.
>>>
>>> The only paravirt interface supported is pv_time_ops.steal_clock, so no
>>> runtime pvops patching needed.
>>>
>>> This allows us to make use of steal_account_process_tick for stolen
>>> ticks accounting.
>>>
>>> Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
>>> Acked-by: Christopher Covington <cov@codeaurora.org>
>>> Acked-by: Ian Campbell <ian.campbell@citrix.com>
>>> CC: linux at arm.linux.org.uk
>>> CC: will.deacon at arm.com
>>> CC: nico at linaro.org
>>> CC: marc.zyngier at arm.com
>>> CC: cov at codeaurora.org
>>> CC: arnd at arndb.de
>>> CC: olof at lixom.net
>>
>>
>> Russell,
>> are you OK with this patch?
> 
> Russell,
> 
> I am going to drop this patch and add a small #ifdef to
> arch/arm/xen/enlighten.c to be able to use this functionality on arm64.
> 
> If you change your mind let me know.

It appears to me as though he's not copied on this message.

Regards,
Christopher Covington

-- 
Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project

WARNING: multiple messages have this Message-ID (diff)
From: Christopher Covington <cov@codeaurora.org>
To: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Cc: linux-arm-kernel@lists.infradead.org,
	xen-devel@lists.xensource.com, linux-kernel@vger.kernel.org,
	konrad.wilk@oracle.com, marc.zyngier@arm.com,
	will.deacon@arm.com, Ian Campbell <Ian.Campbell@citrix.com>,
	linux@arm.linux.org.uk, olof@lixom.net, arnd@arndb.de,
	catalin.marinas@arm.com, nico@linaro.org
Subject: Re: [PATCH v11 3/5] arm: introduce CONFIG_PARAVIRT, PARAVIRT_TIME_ACCOUNTING and pv_time_ops
Date: Fri, 20 Nov 2015 09:36:00 -0500	[thread overview]
Message-ID: <564F2FD0.6040905@codeaurora.org> (raw)
In-Reply-To: <alpine.DEB.2.02.1511201430200.1107@kaball.uk.xensource.com>

Hi Stefano,

On 11/20/2015 09:31 AM, Stefano Stabellini wrote:
> On Tue, 10 Nov 2015, Stefano Stabellini wrote:
>> On Thu, 5 Nov 2015, Stefano Stabellini wrote:
>>> Introduce CONFIG_PARAVIRT and PARAVIRT_TIME_ACCOUNTING on ARM.
>>>
>>> The only paravirt interface supported is pv_time_ops.steal_clock, so no
>>> runtime pvops patching needed.
>>>
>>> This allows us to make use of steal_account_process_tick for stolen
>>> ticks accounting.
>>>
>>> Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
>>> Acked-by: Christopher Covington <cov@codeaurora.org>
>>> Acked-by: Ian Campbell <ian.campbell@citrix.com>
>>> CC: linux@arm.linux.org.uk
>>> CC: will.deacon@arm.com
>>> CC: nico@linaro.org
>>> CC: marc.zyngier@arm.com
>>> CC: cov@codeaurora.org
>>> CC: arnd@arndb.de
>>> CC: olof@lixom.net
>>
>>
>> Russell,
>> are you OK with this patch?
> 
> Russell,
> 
> I am going to drop this patch and add a small #ifdef to
> arch/arm/xen/enlighten.c to be able to use this functionality on arm64.
> 
> If you change your mind let me know.

It appears to me as though he's not copied on this message.

Regards,
Christopher Covington

-- 
Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project

  reply	other threads:[~2015-11-20 14:36 UTC|newest]

Thread overview: 70+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-11-05 15:33 [PATCH v11 0/5] xen/arm/arm64: CONFIG_PARAVIRT and stolen ticks accounting Stefano Stabellini
2015-11-05 15:33 ` Stefano Stabellini
2015-11-05 15:34 ` [PATCH v11 1/5] xen: move xen_setup_runstate_info and get_runstate_snapshot to drivers/xen/time.c Stefano Stabellini
2015-11-05 15:34   ` Stefano Stabellini
2015-11-05 16:48   ` Mark Rutland
2015-11-05 16:48     ` Mark Rutland
2015-11-06 11:11     ` Stefano Stabellini
2015-11-06 11:11       ` Stefano Stabellini
2015-11-06 12:00       ` Mark Rutland
2015-11-06 12:00         ` Mark Rutland
2015-11-05 15:34 ` [PATCH v11 2/5] missing include asm/paravirt.h in cputime.c Stefano Stabellini
2015-11-05 15:34   ` Stefano Stabellini
2015-11-05 16:40   ` Peter Zijlstra
2015-11-05 16:40     ` Peter Zijlstra
2015-11-05 17:30     ` Stefano Stabellini
2015-11-05 17:30       ` Stefano Stabellini
2015-11-09 17:36       ` Peter Zijlstra
2015-11-09 17:36         ` Peter Zijlstra
2015-11-10 11:27         ` Stefano Stabellini
2015-11-10 11:27           ` Stefano Stabellini
2015-11-10 11:27           ` Stefano Stabellini
2015-11-10 12:19           ` Peter Zijlstra
2015-11-10 12:19             ` Peter Zijlstra
2015-11-05 15:34 ` [PATCH v11 3/5] arm: introduce CONFIG_PARAVIRT, PARAVIRT_TIME_ACCOUNTING and pv_time_ops Stefano Stabellini
2015-11-05 15:34   ` Stefano Stabellini
2015-11-10 14:12   ` Stefano Stabellini
2015-11-10 14:12     ` Stefano Stabellini
2015-11-10 14:12     ` Stefano Stabellini
2015-11-20 14:31     ` Stefano Stabellini
2015-11-20 14:31       ` Stefano Stabellini
2015-11-20 14:31       ` Stefano Stabellini
2015-11-20 14:36       ` Christopher Covington [this message]
2015-11-20 14:36         ` Christopher Covington
2015-11-20 14:40         ` Stefano Stabellini
2015-11-20 14:40           ` Stefano Stabellini
2015-11-20 14:40           ` Stefano Stabellini
2015-11-20 16:47           ` Russell King - ARM Linux
2015-11-20 16:47             ` Russell King - ARM Linux
2015-11-20 17:16             ` Stefano Stabellini
2015-11-20 17:16               ` Stefano Stabellini
2015-11-20 17:16               ` Stefano Stabellini
2015-11-05 15:34 ` [PATCH v11 4/5] arm64: " Stefano Stabellini
2015-11-05 15:34   ` Stefano Stabellini
2015-11-10 14:11   ` Stefano Stabellini
2015-11-10 14:11     ` Stefano Stabellini
2015-11-10 14:11     ` Stefano Stabellini
2015-11-17 17:29     ` Will Deacon
2015-11-17 17:29       ` Will Deacon
2015-11-17 17:34       ` Marc Zyngier
2015-11-17 17:34         ` Marc Zyngier
2015-11-17 17:35         ` Will Deacon
2015-11-17 17:35           ` Will Deacon
2015-11-20 12:19           ` Stefano Stabellini
2015-11-20 12:19             ` Stefano Stabellini
2015-11-20 12:19             ` Stefano Stabellini
2015-11-05 15:34 ` [PATCH v11 5/5] xen/arm: account for stolen ticks Stefano Stabellini
2015-11-05 15:34   ` Stefano Stabellini
2015-11-05 16:57   ` Mark Rutland
2015-11-05 16:57     ` Mark Rutland
2015-11-06 11:39     ` Stefano Stabellini
2015-11-06 11:39       ` Stefano Stabellini
2015-11-06 11:41       ` David Vrabel
2015-11-06 11:41         ` David Vrabel
2015-11-06 11:59         ` Mark Rutland
2015-11-06 11:59           ` Mark Rutland
2015-11-06 13:25           ` Vitaly Kuznetsov
2015-11-06 13:25             ` Vitaly Kuznetsov
2015-11-06 13:19         ` Vitaly Kuznetsov
2015-11-06 13:19           ` Vitaly Kuznetsov
2015-11-06 13:19           ` Vitaly Kuznetsov

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